Home / 91,071.24-136,367.52-73,207.08

Finding the Fourth Proportional to 91,071.24, 136,367.52 and 73,207.08

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Solution

The fourth proportional to 91,071.24, 136,367.52 and 73,207.08 is: 109,618.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,071.24 : 136,367.52 = 73,207.08 : x
  2. Step 2: Convert to fraction form
    91,071.24/136,367.52 = 73,207.08/x
  3. Step 3: Cross multiply
    91,071.24x = 136,367.52 × 73,207.08
  4. Step 4: Simplify right side
    91,071.24x = 9,983,067,946.04
  5. Step 5: Solve for x
    x = 9,983,067,946.04/91,071.24
  6. Step 6: Final answer
    x = 109,618.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.